adults Kuan-Yu Lai, Chun-Yi Wang, Hsian-Han Kao, Wen-Yuan Lin, Tsung-Po Chen Metabolism Open .2026
It is currently completing Phase 3 TRIUMPH trials and is available for research use in lyophilized (freeze-dried powder) form for the latest on [when retatrutide will be FDA approved](/guides/retatrutide-fda-approval-2026-timeline-status), see our regulatory timeline tracker
However, experienced endoscopists can leverage them through biologic chromoendoscopy to identify concerning flat lesions missed by technology
Frontiers in Pharmacology, 14 , 1147414
The thigh remains an excellent site for retatrutide, and the same rotation strategies apply
Hori, H., Kawano, T., Endo, M